Mapepala okhala ndi malo ovala zovala amagwiritsidwa ntchito makamaka pazigawo zamkati ndi zigawo zomwe zimafunikira kuti zikhale zogwirizana ndi magalimoto, zomanga, zida zomangazi zimagwiritsidwa ntchito makamaka. Zina mwa izo, makampani omanga amagwiritsidwa ntchito popanga mafakitale a Anti-Corrossion komanso ma grilles okhala ndi ma grilles, etc.; Mafakitale ogulitsa amawugwiritsa ntchito kupanga zipolopolo zanyumba, ziwiya za khitchini, ndi zina zotere, ndipo makampani ogulitsa amagwiritsidwa ntchito amagwiritsidwa ntchito popanga zigawo zosagwirizana ndi ma cars etc.; Kulima, zowombera nyama zimagwiritsidwa ntchito posungira zakudya ndi mayendedwe, nyama zapadera, nyumba zapadera, kupewa zivomezi, moyo wautali, Kusamalira ndi mawonekedwe ena osamalira komanso ena, kwagwiritsidwa ntchito kwambiri.
